Compare 1931 vs 2143
| Property | 1931 | 2143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19311 | 21431 |
| Prime factorization | 1931 | 2143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1931 | 1, 2143 |
| Number of properties | 5 | 7 |
| Chen primes | 182nd | |
| Harmonic primes | 108th | 118th |
| Long primes | 125th | |
| Primes | 294th | 324th |
| Prime triplets (3rd member) | 53rd | |
| Sexy primes (2nd member) | 135th | |
| Sexy prime triplets (3rd member) | 51st | |
| Sophie germain primes | 59th | |
| Twin primes (1st member) | 59th | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MCMXXXI | MMCXLIII |
| Base 2 | 111100010112 | 1000010111112 |
| Base 3 | 21221123 | 22211013 |
| Base 4 | 1320234 | 2011334 |
| Base 5 | 302115 | 320335 |
| Base 6 | 125356 | 135316 |
| Base 7 | 54267 | 61517 |
| Base 8 | 36138 | 41378 |
| Base 9 | 25759 | 28419 |
| Base 10 | 193110 | 214310 |
| Base 11 | 14a611 | 167911 |
| Base 12 | 114b12 | 12a712 |
| Base 13 | b5713 | c8b13 |
| Base 14 | 9bd14 | ad114 |
| Base 15 | 88b15 | 97d15 |
| Base 16 | 78b16 | 85f16 |